THE MASTERY OF COMPETITION RULES, STRESS MANAGEMENT, CONFIDENCE AND CONCENTRATION OF THINKING ON DECISION MAKING

Errors in applying the rules of the match and the inability to manage and reduce the perceived stress situation, as well as lack of confidence in the ability of a referee will have an impact on the decision-making he does. This type of research is quantitative research with a path analysis approach, the purpose of this study is to determine the effect of mastery of regulations, stress management and self-confidence and concentration on referee decision making. The population in this study was all West Sumatra tennis referees, totaling 62 people. The sampling technique used a purposive sampling technique where the population was used as a sample of 40 people. Data were collected using a questionnaire to measure mastery of the rules of the game, stress management, self-confidence, decision making and grid concentration exercise to measure concentration. The results of data analysis showed the following results: (1) there is a direct influence on the influence of mastery of match rules on the decision making of tennis referees in West Sumatra, which is 9.3%; (2) there is a direct influence of stress management on the decision making of tennis referees in West Sumatra, which is 7.6%; (3) there is a direct influence of self-confidence on the decision making of tennis referees in West Sumatra, which is 6.7%; (4) there is a direct influence of concentration of thinking on the decision making of tennis referees in West Sumatra, which is 8.9%; (5) there is an indirect effect of mastery of match rules on decision making through concentration of thinking, which is 2.6%; (6) there is an indirect effect of stress management on decision making through thinking concentration, which is 3.1%; and (7) there is an indirect effect of self-confidence on decision making through thinking concentration, which is 2.5%.